Alright, let's work through 1893 times 3996 step by step
1893 × 3996 = 3996 × (1893)
+ 3996 × 3 that is equal 11988
+ 3996 × 90 yielding 359640
+ 3996 × 800 that results in 3196800
+ 3996 × 1000 yielding 3996000

= 7564428
